Ok. Several people have shown interest in changing their Caste or Winged in-game. Here's some options, before they become official:
CHANGE IN DT: Any Caste or Winged change will result in different DT options. ASAP, your character will try to become as skilled as the Winged they have become, so your Quality & Song options will be based on the starting Qualities & Songs of that Winged. Similarly, if you already know these, your options may be based on their Advanced forms.
MOVING DOWN AN ESTABLISHED RANK (E.G, VULTURE OFFICER TO VULTURE): Requires IC Resignation or Demotion (From a King of your House). This should involve relevant Roleplay or paper-work. Although this is relatively simple, please pre-notify a Ref, preferably before the Event.
MOVING UP AN ESTABLISHED RANK (E.G, CORMORANT HERO TO ADMIRAL): This requires a Rite of Passage, appropriate to your Winged's attempted new Caste. This may be an Adventure, gathering signatures from and persuading PCs & NPCs, or fighting a relevant "Champion" or "Boss". Definetly notify a Ref, Definetly Before The Event.
CHANGING WINGED, LOGICALLY (E.G, BUZZARD TO EAGLE, RABBLE TO ROBIN, ROOK TO RAVEN): This requires a Rite of Passage, appropriate to your Winged's attempted new Caste. This may be an Adventure, gathering signatures from and persuading PCs & NPCs, or fighting a relevant "Champion" or "Boss". Definetly notify a Ref, Definetly Before The Event.
This can also be achieved Metaphysically, through Song.
CHANGING WINGED, ILLOGICALLY (E.G, GULL TO ROBIN, OSPREY TO MOCKINGBIRD: Nope. Not possible through roleplay...
...though this /might/ be achieved Metaphysically, through Song.
BECOMING A SPECIAL WINGED (E.G, CROW, CHILD OF HORUS, A LOST):
There are in-game, known ways to achieve these. Mostly involving Song.
CHANGING HOUSE: Get IC & OC confirmation from both parties, especially your new one. Showing the new member to the relevant Patron / Notifying The Patron is a good start too. Notify a Ref ASAP.
CHANGING COTERY: Same as above, but may require a Rite of Passage / Extreme Negotiation with Patron / Major Repercussions. Please Notify a Ref ASAP, especially if you OC plan on jumping ship between events. This will probably cause new Winged to spread to your new home.